Maths Exam

1. Simplify 1

Simplify the following expression: $$ \left(-1 - 1\right)\left(-3 + 2\right) - 2(-6)4 $$
Correct Answer
$$ 50$$ or 50.0000

2. Simplify 2

Simplify the following expression: $$ 2\times1(-5) - \left(3 + -3\right)\left(-3 + 5\right) $$
Correct Answer
$$ -10$$ or -10.0000

3. Fractions 1

Simplify the following expression: $$ \frac{5}{6} - \frac{3}{4} $$
Correct Answer
$$ \frac{1}{12}$$ or 0.08333333333333337

4. Fractions 2

Simplify the following expression: $$ \frac{\frac{4}{5}}{\frac{-4}{3}} $$
Correct Answer
$$ \frac{-3}{5}$$ or -0.6000000000000001

5. Significant figures

1. Write the following to 5 significant figures: 0.00020798145
Correct Answer
0.00020798 or $$2.0798\times10^{-4}$$
2. Write the following to 3 significant figures: 1335.7328
Correct Answer
1340 or $$1.34\times10^{3}$$

6. Standard Form

1. Write the following in standard form to 4 significant digits: 7719.34
Correct Answer
$$7.719\times10^{3}$$
2. Write the following in standard form to 3 significant digits: 4144.27
Correct Answer
$$4.14\times10^{3}$$

7. Significant figures

1. Write the following in preferred standard form to 3 significant digits: 0.0000002964
Correct Answer
$$296\times10^{-9}$$
2. Write the following in preferred standard form to 5 significant digits: 1.22041
Correct Answer
$$1.2204\times10^{0}$$

8. Simplify 2

Simplify the following expression: $$ 1 - 3 + \frac{2}{4} - {\left(\frac{-3}{4}\right)}^{2} $$
Correct Answer
$$ \frac{-33}{16}$$ or -2.06250

9. Simplify 1

Simplify the following expression: $$ \left(5\times6 + -1 - -2\right)2(-3)(-2) $$
Correct Answer
$$ 372$$ or 372.000

10. Simplify 2

Simplify the following expression: $$ \frac{4 + 3}{-2 + 3}2\frac{-5}{3} $$
Correct Answer
$$ \frac{-70}{3}$$ or -23.3333


Other Articles:

German Gender and Case Game

Quantum Mechanics for programmers

A quick demo showing how to make simulations of simple quantum mechanics systems in javascript.

Experimental Flying Game

Fly around in a plane. Some physics, but mainly just playing with websockets. If you can get a friend to play at the same time, you should be able to shoot each other down.




© Hugo2015. Session @sessionNumber